2506281025493 has 6 divisors (see below), whose sum is σ = 2915469764406. Its totient is φ = 2148240878952.

The previous prime is 2506281025487. The next prime is 2506281025513. The reversal of 2506281025493 is 3945201826052.

It can be written as a sum of positive squares in only one way, i.e., 1792176593284 + 714104432209 = 1338722^2 + 845047^2 .

It is not a de Polignac number, because 2506281025493 - 2²² = 2506276831189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506281027493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25574296130 + ... + 25574296227.

It is an arithmetic number, because the mean of its divisors is an integer number (485911627401).

Almost surely, 2^{2506281025493} is an apocalyptic number.

It is an amenable number.

2506281025493 is a deficient number, since it is larger than the sum of its proper divisors (409188738913).

2506281025493 is an equidigital number, since it uses as much as digits as its factorization.

2506281025493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51148592371 (or 51148592364 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 2506281025493 in words is "two trillion, five hundred six billion, two hundred eighty-one million, twenty-five thousand, four hundred ninety-three".